As the leading ship supplier in Ross Dependency, Replacing Impeller On Inboard, we specialize in delivering high-quality Sierra 18 7281 with unmatched speed and reliability. Trusted by shipowners and masters worldwide, our team ensures your vessel gets everything it needs — on time, every time.
The Sierra 18 7281 is a high-performance marine pump designed for reliable water circulation in boats. It features a durable construction to withstand harsh marine environments. This pump ensures efficient operation for various marine applications.
Size: 18 inches (457 mm) diameter
Grade: Marine-grade construction
Viscosity Range: Suitable for fluids up to 1000 cSt
Buoyancy: Neutral buoyancy in seawater
Material: High-density polyethylene (HDPE) with stainless steel components
Flow Rate: Up to 7281 GPM (gallons per minute)
Pressure Rating: 150 PSI (pounds per square inch)
Temperature Range: -40°F to 180°F (-40°C to 82°C)
Weight: Approximately 250 lbs (113 kg)
Impeller Type: Corrosion-resistant bronze
Seal Type: Mechanical seal with silicon carbide faces
Connection Type: Flanged (ANSI/ASME B16.5 standard)
Power Source: Electric or hydraulic drive options
Certification: ABS (American Bureau of Shipping) compliant
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